feat: add ChainGetMessagesInTipset to Lotus Gateway (#12947)

* feat: add `ChainGetMessagesInTipset` to Lotus Gateway

feat: add `ChainGetMessagesInTipset` to Lotus Gateway

* chore: update changelog

chore: update changelog

Author: rjan90

CHANGELOG.md

@@ -22,6 +22,7 @@
 - feat: add `GenesisTimestamp` field to `StateGetNetworkParams` response ([filecoin-project/lotus#12925](https://github.com/filecoin-project/lotus/pull/12925))
 - chore: upgrade drand client
 - chore: upgrade go-state-types with big.Int{} change that means an empty big.Int is now treated as zero for all operations ([filecoin-project/lotus#12936](https://github.com/filecoin-project/lotus/pull/12936))
+- feat: expose `ChainGetMessagesInTipset` in the Lotus Gateway API ([filecoin-project/lotus#12947](https://github.com/filecoin-project/lotus/pull/12947))
 
 # UNRELEASED v.1.32.0
 

api/api_gateway.go

@@ -46,6 +46,7 @@ type Gateway interface {
 	ChainHead(ctx context.Context) (*types.TipSet, error)
 	ChainGetParentMessages(context.Context, cid.Cid) ([]Message, error)
 	ChainGetParentReceipts(context.Context, cid.Cid) ([]*types.MessageReceipt, error)
+	ChainGetMessagesInTipset(context.Context, types.TipSetKey) ([]Message, error)
 	ChainGetBlockMessages(context.Context, cid.Cid) (*BlockMessages, error)
 	ChainGetMessage(ctx context.Context, mc cid.Cid) (*types.Message, error)
 	ChainGetPath(ctx context.Context, from, to types.TipSetKey) ([]*HeadChange, error)